Webhalogen, any of the six nonmetallic elements that constitute Group 17 (Group VIIa) of the periodic table. The halogen elements are fluorine (F), chlorine (Cl), bromine (Br), iodine … WebFluorine is the chemical element with the symbol F and atomic number 9. Its atom is the third smallest among all elements with an atomic radius of 153 pm. It has 9 electrons that surround the nucleus of its atom — 7 in its outer shell, and 2 in its inner shell. Its atomic weight is 18.998403 and its density is 0.001696 g/cm 3.

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WebApr 9, 2024 · Radium is the heaviest known and most reactive element amongst the alkaline earth metals family. Radium is the rarest because of its high reactivity and its … WebAn element's reactivity is its tendency to lose or gain electrons. The Alkali Metals (Group 1) have the highest tendency to lose electrons, making them the most reactive of the … thumpasorus

How can I determine the reactivity of an element? - eNotes.com

Webfluorine (F), most reactive chemical element and the lightest member of the halogen elements, or Group 17 (Group VIIa) of the periodic table. Its chemical activity can be attributed to its extreme ability to attract … WebMay 21, 2024 · Which of the following elements is the most reactive metal? The most reactive metal on the periodic table is francium. Francium, however, is a laboratory … WebMost reactive metal – Caesium. Francium. Spoiler alert! Suggested Reading. Fluorine is identified as the most reactive nonmetal and the most electronegative element in the periodic table, making it the strongest oxidizing agent. Caesium is the most reactive metal in the periodic table, so much that working with this metal often ends in ... thumpah bluetooth speaker review